1. Around the World Basic Chemistry

2. 3. Neutral pH is_________ Answer: 7

3. 27. The elements ________ make up protein Answer: Carbon (C), Hydrogen (H), Oxygen (O), Nitrogen (N)

4. 6. Inorganic compounds __________ C-H bonds Answer: do NOT contain

5. 38. The place on the enzyme where the substrate binds is called the _______ _______ Answer: Active Site

6. 1. The pH range of an acid is_____ Answer: 0-7 (not including 7)

7. 8. C 6 H 12 O 6 is an __________ compound because it _____________ bonds Answer: Organic; contains C-H

8. 12. Which are the reactants a_________ and products b_________ of the reaction below: C6H12O6 + O2 ------  CO2 + H2O Answer: Reactants: C6H12O6 and O2 Products: CO2 and H2O

9. 18. Sugar is stored as __________ in animal muscle and liver Answer: Glycogen

10. 10. __________ make up polymers Answer: Monomers

11. 5. Compounds with C-H bonds are classified as___________ Answer: Organic

12. 13. 2 groups of carbohydrates are ________ and _________ (we tested for them) Answer: monosaccharides and polysaccharides

13. 30. _________ is an organic molecule used to transport material in and out of cells and fight disease Answer: Protein

14. 15. The elements ______ are found in carbohydrates in a 1:2:1 ratio Answer: Carbon (C), Hydrogen (H), and Oxygen (O)

15. 17. The main function of carbohydrates is___________ Answer: immediate energy

16. 35. _________ are biological catalysts that speed up the rate of chemical reactions Answer: Enzymes

17. 19. Sugars are stored as ___________ in plants Answer: Starch

18. 42. New DNA must be ___________ from food we ingest since we can not use DNA of other organisms as our own Answer: built

19. 20. Plants use the sugar ___________ to build structure called cell walls Answer: cellulose

20. 40. Nucleic acids contain the elements __________________ Answer: Carbon (C), Hydrogen (H), Oxygen (O), Nitrogen (N), and Phosphorus (P)

21. 21. The monomer of lipid is made of __________and _________________ Answer: glycerol; 3 fatty acids

22. 7. Salts NaCl, carbon dioxide CO2, and water H2O are examples of _____________ compounds Answer: inorganic

23. 16. Most sugars end in the suffix __________ Answer: -ose

24. 22. Lipids contain the elements _________ not in a 1:2:1 ratio Answer: Carbon (C), Hydrogen (H), and Oxygen (O)

25. 39. The building block or monomer of nucleic acid is _______________ Answer: nucleotide

26. 44. The following picture is a picture of which organic macromolecule? Answer: protein

27. 24. The main function of lipids is ______________ Answer: long-term energy storage

28. 32. Enzymes are classified as ___________ (organic) molecules Answer: Protein

29. 25. _________ is the main part of cell membranes, insulation and waterproof coverings Answer: Lipid

30. 28. __________ are the building blocks or monomers of protein Answer: Amino Acids

31. 11. Forming bonds __________ energy, __________ bonds releases energy Answer: stores; breaking

32. 29. Protein is used to _______ structures like _______ and bone Answer: build; muscle

33. 31. ___________ is an organic molecule used to regulate cell processes and rate of chemical reactions Answer: Protein

34. 23. 3 groups of lipids include ________, ________ and waxes Answer: fats, oils

35. 33. __________ speed up the rate of chemical reactions by lowering the energy needed to get the reaction started Answer: Catalysts

36. 43. The following is a building block (monomer) of which organic macromolecule? Answer: nucleic acid (nucleotide)

37. 36. Enzyme reactions are affected by factors such as ___________, and _________ as well as concentration of substances Answer: pH; temperature

38. 4. Proper pH is important because it can change the ____________ of protein and helps maintain _________________ Answer: shape; homeostasis

39. 34. Enzyme words end with the suffix________ and are named after the compound they work on Answer: -ase

40. 14. The monomer or building blocks of carbohydrates is _________ or ____________ Answer: glucose; monosaccharides

41. 47. A ________ helps neutralize acidic or basic solutions Answer: buffer

42. 2. A weak acid or base that prevents big changes in pH is called a_________ Answer: Buffer

43. 37. The following is a picture of which organic macromolecule? Answer: carbohydrate

44. 9. 4 Groups of organic compounds are _______________________ ________________ Answer: Nucleic acids, lipids, proteins, and carbohydrates

45. 45. The following is a picture of which organic macromolecule? Answer: lipid

46. 41. DNA and RNA are two types of ________________ Answer: Nucleic Acids

47. 26. Plants use __________ to provide a waxy, waterproof covering on their leaves Answer: Lipids

48. 47. What is represented by the following letters? F A: substrateD: Enzyme B: EnzymeE: Products C: Enzyme-substrate complexF: Active Site

49. 46. The _________ energy of a chemical reaction is the energy needed to get a reaction started. Answer: activation